pin the circle ci graal build version

Author: retrogradeorbit

.circleci/config.yml

@@ -144,10 +144,10 @@ jobs:
             cd ~
             ls -la
             if ! [ -d graalvm-ce-java11-20.1.0-dev ]; then
-              #curl -O -sL https://epiccastle.io/graalvm/20200324_0554/graalvm-ce-java11-darwin-amd64-20.1.0-dev.tar.gz
-              #curl -O -sL https://epiccastle.io/graalvm/20200324_0554/native-image-installable-svm-java11-darwin-amd64-20.1.0-dev.jar
+              curl -O -sL https://epiccastle.io/graalvm/20200324_0554/graalvm-ce-java11-darwin-amd64-20.1.0-dev.tar.gz
+              curl -O -sL https://epiccastle.io/graalvm/20200324_0554/native-image-installable-svm-java11-darwin-amd64-20.1.0-dev.jar
 
-              curl -O -sL https://github.com/graalvm/graalvm-ce-dev-builds/releases/download/20.1.0-dev-20200414_0225/graalvm-ce-java11-darwin-amd64-20.1.0-dev.tar.gz
+              #curl -O -sL https://github.com/graalvm/graalvm-ce-dev-builds/releases/download/20.1.0-dev-20200414_0225/graalvm-ce-java11-darwin-amd64-20.1.0-dev.tar.gz
 
               # curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-19.3.1/graalvm-ce-java8-darwin-amd64-19.3.1.tar.gz
               #curl -O -sL https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-19.3.1/graalvm-ce-java11-darwin-amd64-19.3.1.tar.gz
@@ -156,8 +156,8 @@ jobs:
               # tar xzf graalvm-ce-java8-darwin-amd64-19.3.1.tar.gz
               #tar xzf graalvm-ce-java11-darwin-amd64-19.3.1.tar.gz
             fi
-            $GRAALVM_HOME/bin/gu install native-image
-            #$GRAALVM_HOME/bin/gu -L install native-image-installable-svm-java11-darwin-amd64-20.1.0-dev.jar
+            #$GRAALVM_HOME/bin/gu install native-image
+            $GRAALVM_HOME/bin/gu -L install native-image-installable-svm-java11-darwin-amd64-20.1.0-dev.jar
           no_output_timeout: 30m
       # - run:
       #     name: MacOS java info